SY21031 Overview
Key Specifications
Description
The SY21031 high-efficiency asynchronous stepdown DC/DC regulator is using an adaptive constant off-time architecture, and can deliver 0.8A current over a wide input voltage range from 4.5V to 55V. It integrates a main switch with low RDS(ON) to minimize conduction loss.
Key Features
- 4.5V to 55V Input Voltage Range
- Up to 0.8A Output Current
- Low RDS(ON) for Internal N-Channel Power FET: 700mΩ
- 1.2MHz Pseudoconstant Switching Frequency
- Adaptive Constant Off-Time Control
